- Silicon Laboratories, Inc. Computer Drive - USB Flash Drive User Manual

C8051F340/1/2/3/4/5/6/7
148 Rev. 0.5
Figure 15.2. Port I/O Cell Block Diagram
GND
/PORT-OUTENABLE
PORT-OUTPUT
PUSH-PULL
VDD
VDD
/WEAK-PULLUP
(WEAK)
PORT
PAD
ANALOG INPUT
Analog Select
PORT-INPUT